Medical Chemical Corp. makes stool collection kits designed for use by the patient. Each kit contains the stool collection vials packed in a Ziplock bag together with collection instructions written in 10 languages. Catalog # 890-02 Contains a vial half filled with mercury PVA and a vial half filled with formalin fixative. The kits are designed so that the patient can take the kit home and collect the samples by themselves. There are fifty kits in a case. The country of origin is the United States.